In brief:
He is immune

Unfortunately there are hundreds of different 'colds' which can be spread around, your boyfriend could catch another 'cold'. Tips to prevent spreading a URI around: wash your hands, cough or sneeze into a tissue or your elbow, and try to stay home and rest.

In brief:
He is immune

Unfortunately there are hundreds of different 'colds' which can be spread around, your boyfriend could catch another 'cold'. Tips to prevent spreading a URI around: wash your hands, cough or sneeze into a tissue or your elbow, and try to stay home and rest.
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